Chat with redux state manager

serg1557733 020a278aa3 add procfile heroku il y a 2 ans
backend 020a278aa3 add procfile heroku il y a 2 ans
frontend c1488232b9 test commit heroku il y a 2 ans
package-lock.json cca472ae25 add media query and some fix il y a 2 ans
package.json cca472ae25 add media query and some fix il y a 2 ans